Alsunu flat round concealer brush, size XS

Flat Round Concealer Brush, Ultra-Thin Head

XS
Sale price  $9.99 USD Regular price  $13.99 USD
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Alsunu flat round concealer brush, size XS
Under-eye favorite

Flat Round Concealer Brush, Ultra-Thin Head

Smooth, crease-free concealer in a few taps

4.5 / 5 · 819 reviews
Sale price  $9.99 USD Regular price  $13.99 USD
29% OFFSave $4
  • Flat, dense head presses concealer in
  • Rounded tip for the under-eye
  • Soft synthetic, cruelty-free bristles
  • Four sizes, one brush per order
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Flat Round Concealer Brush, Ultra-Thin HeadXS 1x item
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Description

This flat concealer brush presses concealer into the skin instead of pushing it around, which is how you avoid a cakey, creased under-eye. The ultra-thin, dense head has a rounded tip that follows the curve under your eye and the edge of your nose. Choose the size that matches the area you cover most.

Why the shape matters

  • Flat, dense head: lays concealer down evenly and presses it in.
  • Rounded tip: fits the inner corner of the eye and around the nostrils.
  • Soft synthetic bristles: cruelty-free and gentle on the under-eye.
  • Four sizes: XS for spots, S for the inner corner, M for under-eyes, L for wider areas.

How to conceal without creasing

Dot a small amount of concealer under the eye or on a spot. Press and pat with the flat of the brush rather than sweeping, then feather the edges outward with light strokes. Set with a little powder if you crease easily.

Good to know

You receive one brush in the size you select. Wash it after a few uses with mild soap and dry it flat.

What’s in the Box
  • 1 x concealer brush in the size you choose
Shipping & Delivery
Free ShippingFree shipping on U.S. orders over $80. A shipping cost is shown at checkout for orders under this amount.
Delivery TimeOrders are processed in 1–3 business days, and delivery takes 7–14 days once your order ships.
Order TrackingYou'll receive a tracking number by email once your order ships.
QuestionsEmail info@alsunu.com — we're here 24/7.
Returns & Exchanges
30-Day Return WindowUnused, unopened personal care items can be returned within 30 days of delivery — contact us and we'll walk you through it.
Test It on ArrivalPlease open and try your item as soon as it arrives. If anything isn't right, email us within 72 hours of delivery and we'll sort it out.
72-Hour NoticePersonal care items not reported within 72 hours of delivery are considered used, so we can't accept them for return.
Damaged / Incorrect ItemsIf your order arrives damaged or incorrect, email us a photo right away and we'll arrange a free replacement or refund.
SupportEmail us anytime at info@alsunu.com — we reply 24/7.
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Customer reviews

What customers are saying

4.5 819 verified reviews
  • Photo shared by Crystal Stephens
    Verified buyer

    Very good product, honestly. I picked the M and it presses concealer under my eyes without dragging it around. The flat, dense head packs the color exactly where I want it and the rounded tip follows the curve near my nose. Bristles are soft and I haven't had any shedding.

    Crystal StephensSacramento, CA
  • Photo shared by Layla Barnes
    Verified buyer

    Matches the description exactly: small, precise, and flat-round. I got the S and it fits right into the inner corner of my eye where bigger brushes get messy. It picks up just a little product and presses it in. Great for covering single spots too.

    Layla BarnesLouisville, KY
  • Photo shared by Jasmine Cox
    Verified buyer

    Good little brush for spot coverage. The soft bristles feel gentle and the flat head presses product in cleanly.

    Jasmine CoxSan Antonio, TX
  • Photo shared by Helen Adams
    Verified buyer

    Love the nickel-tone ferrule, it looks sleek in my makeup bag. The bristles are soft and the flat-round head lays concealer down smoothly.

    Helen AdamsLittle Rock, AR
  • Verified buyer

    Decent brush, but not quite what I pictured from the words ultra-thin. I ordered the M and the head is flatter than my old fluffy one, yet still thicker than I expected. It does press concealer in nicely over dark circles. For blemishes I still reach for something smaller, so this is more of an under-eye brush for me.

    Donna DelgadoBuffalo, NY
  • Verified buyer

    Ordered the L for under my eyes and it covers the area in just a few swipes. The bristles are soft and dense, so concealer stays where I put it. My only nitpick is that the L is smaller than I pictured, so I need a couple more taps on wider areas. Still, blending is smoother than with my sponge.

    Isla MayNew Orleans, LA
  • Verified buyer

    Using the XS for blemishes and it is perfect. A tiny amount of concealer goes on with no cakey spots.

    Mila WarrenFort Worth, TX
  • Verified buyer

    Soft synthetic bristles that don't scratch the skin under my eyes. I use the M and my concealer looks smoother and needs less product.

    Megan CarterTucson, AZ
  • Verified buyer

    Pressing concealer in with this beats dragging it around with a fluffy brush. The rounded tip tucks in beside my nose really well.

    Tina HarrisSan Diego, CA
  • Verified buyer

    I wanted to love this but the size threw me off. I chose the S expecting a bit more surface area, and it is tinier than I imagined. It works fine for covering little spots and the corners of my eyes. For the whole under-eye area, you'd need to go up a size, so choose carefully.

    Eloise MitchellFort Worth, TX
  • Verified buyer

    This is now my daily brush for under-eye concealer. The flat, dense head presses the product in instead of pushing it around, so I stopped getting those cakey creases. I use the M and a small dot of concealer covers each side. Once I set it with powder, it stays put through my workday.

    Marcus SimsKansas City, MO
  • Verified buyer

    Nice quality overall. The bristles are soft and I like how the flat-round shape hugs the area beside my nose. The thing is, I bought the M thinking it would be slimmer, and it's a little thicker than ultra-thin suggests. It still blends well, though, and cleans up easily with brush cleanser.

    Mandy OrtizSpokane, WA
  • Verified buyer

    I have been using concealer for years and this brush gave me the most even finish yet. The S is precise enough to dab around the redness beside my nostrils without touching the rest of my face. The bristles feel silky, not scratchy. I use far less product now, which is a bonus.

    Gabrielle OwensMiami, FL
  • Verified buyer

    Spot concealing looks so much cleaner now, and the brush is easy to control.

    Lydia DanielsKnoxville, TN
  • Verified buyer

    Mixed feelings on this one. The material feels nice and soft, but the L head is smaller than I assumed from the size name. It presses concealer in just fine under my eyes, though it takes more passes. If you cover a wide area, expect a few extra taps.

    Brandy JohnstonRochester, NY
Why This Works

What Makes It Different

The details that matter, explained simply.

Precision flat head

The thin, dense head presses concealer into skin instead of streaking it, for even coverage.

Contour-Following Tip

The rounded edge follows the natural curve under eyes and beside the nose.

Soft Synthetic Bristles

Cruelty-free bristles are gentle enough for the delicate under-eye area.

The difference

You decide — we just show what changes.

Feature Alsunu A typical alternative
Head Flat and dense, presses product in Fluffy, moves it around
Under-eye Rounded tip for tight corners Too wide for the inner corner
Sizes Four to pick from One generic size
Bristles Soft synthetic, cruelty-free Animal hair
Returns 30 days, prepaid label 14 days, you pay shipping
The Story

The brush shape matters

The brush shape matters
A fluffy brush spreads concealer thin and uneven. A flat, dense head presses it exactly where you need it and keeps the finish smooth.
How to Use

Make It Part of Your Routine

Dot concealerAM

Apply small dots of concealer under eyes or on blemishes.

Press, don't dragAM

Use the brush to gently press and pat the product into skin.

Blend the edgesAM

Use light strokes at the outer edge to blend into surrounding skin.

The specifics

Product Details

Know exactly what you're getting.

Bristle type Soft synthetic, cruelty-free
Head shape Flat round
Sizes XS, S, M or L — one brush per order
Best for Concealer, spot coverage
The Alsunu Difference

Coverage that sets

Less product, better blending and a finish that doesn't settle into lines.

Coverage that sets
Questions

Frequently Asked Questions

What type of brush is best for concealer?
A small, flat and dense brush. It presses concealer in instead of moving it around, which keeps coverage even and prevents a cakey look.
How many brushes do I get?
One brush in the size you select: XS, S, M or L. Order more than one if you want a size for spots and another for under the eyes.
Is a brush or a sponge better for concealer?
A flat brush gives more coverage with less product, and a damp sponge gives a softer, sheer finish. Many people press with the brush and then tap the edges with a sponge.

Ready to Add This to Your Routine?

Make it part of your routine. Have a question? We're here to help.

Free shipping over $80 Secure checkout Real support
Verified customer reviews

Loved in real routines.

Thoughtful feedback from customers who have used this product.

4.5 819 verified reviews
  • ★★★★★Verified buyer
    Very good product, honestly. I picked the M and it presses concealer under my eyes without dragging it around. The flat, dense head packs the color exactly where I want it and the rounded tip follows the curve near my nose. Bristles are soft and I haven't had any shedding.
    Crystal StephensSacramento, CA
  • ★★★★★Verified buyer
    Matches the description exactly: small, precise, and flat-round. I got the S and it fits right into the inner corner of my eye where bigger brushes get messy. It picks up just a little product and presses it in. Great for covering single spots too.
    Layla BarnesLouisville, KY
  • ★★★★★Verified buyer
    Good little brush for spot coverage. The soft bristles feel gentle and the flat head presses product in cleanly.
    Jasmine CoxSan Antonio, TX
  • ★★★★★Verified buyer
    Love the nickel-tone ferrule, it looks sleek in my makeup bag. The bristles are soft and the flat-round head lays concealer down smoothly.
    Helen AdamsLittle Rock, AR
  • ★★★★★Verified buyer
    Decent brush, but not quite what I pictured from the words ultra-thin. I ordered the M and the head is flatter than my old fluffy one, yet still thicker than I expected. It does press concealer in nicely over dark circles. For blemishes I still reach for something smaller, so this is more of an under-eye brush for me.
    Donna DelgadoBuffalo, NY
  • ★★★★★Verified buyer
    Ordered the L for under my eyes and it covers the area in just a few swipes. The bristles are soft and dense, so concealer stays where I put it. My only nitpick is that the L is smaller than I pictured, so I need a couple more taps on wider areas. Still, blending is smoother than with my sponge.
    Isla MayNew Orleans, LA
  • ★★★★★Verified buyer
    Using the XS for blemishes and it is perfect. A tiny amount of concealer goes on with no cakey spots.
    Mila WarrenFort Worth, TX
  • ★★★★★Verified buyer
    Soft synthetic bristles that don't scratch the skin under my eyes. I use the M and my concealer looks smoother and needs less product.
    Megan CarterTucson, AZ
  • ★★★★★Verified buyer
    Pressing concealer in with this beats dragging it around with a fluffy brush. The rounded tip tucks in beside my nose really well.
    Tina HarrisSan Diego, CA
  • ★★★★★Verified buyer
    I wanted to love this but the size threw me off. I chose the S expecting a bit more surface area, and it is tinier than I imagined. It works fine for covering little spots and the corners of my eyes. For the whole under-eye area, you'd need to go up a size, so choose carefully.
    Eloise MitchellFort Worth, TX
  • ★★★★★Verified buyer
    This is now my daily brush for under-eye concealer. The flat, dense head presses the product in instead of pushing it around, so I stopped getting those cakey creases. I use the M and a small dot of concealer covers each side. Once I set it with powder, it stays put through my workday.
    Marcus SimsKansas City, MO
  • ★★★★★Verified buyer
    Nice quality overall. The bristles are soft and I like how the flat-round shape hugs the area beside my nose. The thing is, I bought the M thinking it would be slimmer, and it's a little thicker than ultra-thin suggests. It still blends well, though, and cleans up easily with brush cleanser.
    Mandy OrtizSpokane, WA
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